The Fourth Monkey

Its place in 4MK Thriller

The Fourth Monkey is book 1 in the 4MK Thriller series. It is followed by The Fifth to Die. See the full 4MK Thriller reading order.

The 4MK Thrillers follow Chicago homicide detective Sam Porter's hunt for the "Four Monkey Killer," a methodical murderer who poses victims in a grim echo of "see no evil, hear no evil, speak no evil" before adding a signature fourth twist of his own. J.D. Barker splits each novel's narration between Porter's procedural chase and the killer's own journal entries, so the reader works the same case from both sides of the crime-scene tape at once. The Fourth Monkey opens with 4MK apparently dead in a hit-and-run…